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Saponite Mineral Data + |
General Saponite Information |
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| (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2·4(H2O) | |||
| Molecular Weight = 480.19 gm | |||
| Sodium 0.48 % Na 0.65 % Na2O | |||
| Calcium 0.83 % Ca 1.17 % CaO | |||
| Magnesium 11.39 % Mg 18.89 % MgO | |||
| Aluminum 5.62 % Al 10.62 % Al2O3 | |||
| Iron 8.72 % Fe 11.22 % FeO | |||
| Silicon 17.55 % Si 37.54 % SiO2 | |||
| Hydrogen 2.10 % H 18.76 % H2O | |||
| Oxygen 53.31 % O | |||
| ______ ______ | |||
| 100.00 % 98.83 % = TOTAL OXIDE | |||
| Ca0.1Na0.1Mg2.25Fe2+0.75Si3AlO10(OH)2·4(H2O) | |||
| Amygdaloidal cavities in basalts. | |||
| Valid Species (Pre-IMA) 1758 | |||
| Lizard Head in Cornwall, England. Link to MinDat.org Location Data. | |||
| From the Latin, sapo meaning "soap.' | |||
| Griffithite-Ferroan | |||
| Piotine | |||
| Sobotkite-Aluminian | |||
Saponite Image | |||
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Saponite Crystallography |
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| a:b:c =0.5786:1:1.3537 | |||
| a = 5.3, b = 9.16, c = 12.4, Z = 2; beta = 96.5° V = 598.13 Den(Calc)= 2.67 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | |||
| By Intensity(I/Io): 12.3(1), 1.53(0.7), 3.1(0.5), | |||
Physical Properties of Saponite |
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| [001] Perfect | |||
| White, Yellowish white, Greenish white, Reddish white, Bluish white. | |||
| 2.3 | |||
| Subtranslucent to opaque | |||
| Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite). | |||
| Granular - Generally occurs as anhedral to subhedral crystals in matrix. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 1.5-2 - Talc-Gypsum | |||
| None. | |||
| Earthy (Dull) | |||
| white | |||
Optical Properties of Saponite |
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| CI meas= 0.026 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.161 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1899,KPDmeas= 0.2204,KC= 0.2264 |
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| Biaxial (-), a=1.479-1.49, b=1.51-1.525, g=1.511-1.527, bire=0.0320-0.0370, 2V(Calc)=20-26, 2V(Meas)=0-10. Dispersion none. | |||
Calculated Properties of Saponite |
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relectron=2.32 gm/cc |
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| Fermion Index = 0.0217 Boson Index = 0.9783 |
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PESaponite = 3.76 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Saponite is Not Radioactive |
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Saponite Classification |
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| 71.3.1b.2 (71)Phyllosilicate Sheets of Six-Membered Rings | |||
| (71.3)with 2:1 clays | |||
| (71.3.1b)Smectite group (Trioctahedral Smectites) | |||
| VIII/H.20-20 VIII - Silicates | |||
| VIII/H - Phyllosilicates (layered) Mica like with [Si4O10]4- and related groups | |||
| VIII/H.20 - Hectorite - Zincsilite series | |||
Other Saponite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | |||
| Links to other databases for Saponite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Ecole des Mines de Paris 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineralienatlas (Deutsch) 15 - QUT Mineral Atlas 16 - Ruff.Info Search for Saponite using: Visit our Advertisers for Saponite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Saponite Mineral Data : Ask about Saponite here : Print or Cut-and-Paste your Saponite Specimen Label here :
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